Home / 19,970,076.53-29,973,526.60-10,129,047.08

Finding the Fourth Proportional to 19,970,076.53, 29,973,526.60 and 10,129,047.08

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Solution

The fourth proportional to 19,970,076.53, 29,973,526.60 and 10,129,047.08 is: 15,202,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970,076.53 : 29,973,526.60 = 10,129,047.08 : x
  2. Step 2: Convert to fraction form
    19,970,076.53/29,973,526.60 = 10,129,047.08/x
  3. Step 3: Cross multiply
    19,970,076.53x = 29,973,526.60 × 10,129,047.08
  4. Step 4: Simplify right side
    19,970,076.53x = 303,603,262,085,032.38
  5. Step 5: Solve for x
    x = 303,603,262,085,032.38/19,970,076.53
  6. Step 6: Final answer
    x = 15,202,909.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.